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block: BFQ: Move an invariant check

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Check bfqq->dispatched for each BFQ queue instead of checking it for an
invalid bfqq pointer.

Fixes: 3e49c1e4a6 ("block: BFQ: Add several invariant checks")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230519220347.3643295-1-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Bart Van Assche
2023-05-19 15:03:46 -07:00
committed by Jens Axboe
parent 1172d5b8be
commit f80dd11dd1
1 changed files with 1 additions and 1 deletions
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block/bfq-iosched.c
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@@ -5405,6 +5405,7 @@ void bfq_put_queue(struct bfq_queue *bfqq)
WARN_ON_ONCE(!list_empty(&bfqq->fifo)); WARN_ON_ONCE(!list_empty(&bfqq->fifo));
WARN_ON_ONCE(!RB_EMPTY_ROOT(&bfqq->sort_list)); WARN_ON_ONCE(!RB_EMPTY_ROOT(&bfqq->sort_list));
WARN_ON_ONCE(bfqq->dispatched);
kmem_cache_free(bfq_pool, bfqq); kmem_cache_free(bfq_pool, bfqq);
bfqg_and_blkg_put(bfqg); bfqg_and_blkg_put(bfqg);
@@ -7150,7 +7151,6 @@ static void bfq_exit_queue(struct elevator_queue *e)
for (actuator = 0; actuator < bfqd->num_actuators; actuator++) for (actuator = 0; actuator < bfqd->num_actuators; actuator++)
WARN_ON_ONCE(bfqd->rq_in_driver[actuator]); WARN_ON_ONCE(bfqd->rq_in_driver[actuator]);
WARN_ON_ONCE(bfqd->tot_rq_in_driver); WARN_ON_ONCE(bfqd->tot_rq_in_driver);
WARN_ON_ONCE(bfqq->dispatched);
hrtimer_cancel(&bfqd->idle_slice_timer); hrtimer_cancel(&bfqd->idle_slice_timer);